Water purifier shell



FIG. 1 is a perspective view, showing the new design for a water purifier shell;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a left side view thereof.

The details shown in broken lines form no part of the claimed design. 

The ornamental design for a water purifier shell, as shown and described. 